<template>
  <div>
    <transition name="slide">
      <div class="add-song" v-show="showFlag" @click.stop>
        <div class="header">
          <h1 class="title">添加歌曲到列表</h1>
          <div class="close" @click="hide">
            <i class="icon-close"></i>
          </div>
        </div>
        <div class="search-box-wrapper">
          <search-box ref="searchBox" @query="onQueryChange" placeholder="搜索歌曲"></search-box>
        </div>
        <div class="shortcut" v-show="!query">
          <switches :switches="switches" :currentIndex="currentIndex" @switch="switchItem"></switches>
          <div class="list-wrapper">
            <scroll
              ref="songList"
              :refreshDelay="120"
              v-if="currentIndex === 0"
              class="list-scroll"
              :data="playHistory"
            >
              <div class="list-inner">
                <song-list :songs="playHistory" @select="selectSong"> </song-list>
              </div>
            </scroll>
            <scroll
              :refreshDelay="refreshDelay"
              ref="searchList"
              v-if="currentIndex === 1"
              class="list-scroll"
              :data="searchHistory"
            >
              <div class="list-inner">
                <search-list @delete="deleteSearchHistory" @select="addQuery" :searches="searchHistory"></search-list>
              </div>
            </scroll>
          </div>
        </div>
        <div class="search-result" v-show="query">
          <suggest :query="query" @select="selectSuggest" @listScroll="blurInput"></suggest>
        </div>
        <!-- 提示组件 -->
        <top-tip ref="topTip">
          <div class="tip-title">
            <i class="icon-ok"></i>
            <span class="text">1 首歌曲已经添加到播放列表</span>
          </div>
        </top-tip>
      </div>
    </transition>
  </div>
</template>
<script>
import SearchBox from '@/components/search-box/search-box';
import SongList from 'components/song-list/song-list';
import SearchList from 'components/search-list/search-list';
import Scroll from 'components/scroll/scroll';
import Switches from '@/components/switches/switches';
import TopTip from '@/components/top-tip/top-tip';
import Suggest from 'views/suggest/suggest';
import { searchMixin } from 'common/js/mixin';
import { mapActions, mapGetters } from 'vuex';
import Song from 'common/js/song';
export default {
  components: { SearchBox, SongList, SearchList, Scroll, Switches, TopTip, Suggest },
  mixins: [searchMixin],
  data() {
    return {
      showFlag: false,
      songs: [],
      currentIndex: 0,
      switches: [{ name: '最近播放' }, { name: '搜索历史' }],
    };
  },
  computed: {
    ...mapGetters(['playHistory']),
  },
  methods: {
    show() {
      this.showFlag = true;
      setTimeout(() => {
        if (this.currentIndex === 0) {
          this.$refs.songList.refresh();
        } else {
          this.$refs.searchList.refresh();
        }
      }, 20);
    },
    hide() {
      this.showFlag = false;
    },
    selectSong(song, index) {
      if (index !== 0) {
        this.insertSong(new Song(song));
        this.$refs.topTip.show();
      }
    },
    selectSuggest() {
      this.$refs.topTip.show();
      this.saveSearch();
    },
    switchItem(index) {
      this.currentIndex = index;
    },
    ...mapActions(['insertSong']),
  },
};
</script>
<style scoped lang="stylus">
@import "~common/stylus/variable"
@import "~common/stylus/mixin"

.add-song
  position: fixed
  top: 0
  bottom: 0
  width: 100%
  z-index: 200
  background: $color-background
  &.slide-enter-active, &.slide-leave-active
    transition: all 0.3s
  &.slide-enter, &.slide-leave-to
    transform: translate3d(100%, 0, 0)
  .header
    position: relative
    height: 44px
    text-align: center
    .title
      line-height: 44px
      font-size: $font-size-large
      color: $color-text
    .close
      position: absolute
      top: 0
      right: 8px
      .icon-close
        display: block
        padding: 12px
        font-size: 20px
        color: $color-theme

  .search-box-wrapper
    margin: 20px
  .shortcut
    .list-wrapper
      position: absolute
      top: 165px
      bottom: 0
      width: 100%
      .list-scroll
        height: 100%
        overflow: hidden
        .list-inner
          padding: 20px 30px
  .search-result
    position: fixed
    top: 124px
    bottom: 0
    width: 100%
  .tip-title
    text-align: center
    padding: 18px 0
    font-size: 0
    .icon-ok
      font-size: $font-size-medium
      color: $color-theme
      margin-right: 4px
    .text
      font-size: $font-size-medium
      color: $color-text
</style>
